The solar maximum is shortening the lifetime of satellites
太陽極大期是在正常約11年的太陽週期中活動最活耀的時期。當太陽極大期時,會出現大量的太陽黑子,並且太陽的輻射會增加大約0.07% [1]。增強的太陽能量輸出可能會影響一些地區的氣候,最近的一些研究顯示一些與區域氣候模式的相關性[1]。
因為太陽在赤道上的轉速比在兩極快,在太陽極大期,太陽的磁場線被扭曲的最為強烈[來源請求]。太陽週期從一個最大期到下一個最大期的平均長度是11年,但觀測到的週期變化從9年到14年不等。

巨大的太陽閃焰常常發生在太陽極大期。例如,1859年太陽風暴撞擊到地球時,引發的極光,在北緯42°的羅馬都可以看到。
Solar maximum is the regular period of greatest solar activity during the Sun's 11-year solar cycle. During solar maximum, large numbers of sunspots appear, and the solar irradiance output grows by about 0.07%.[2] On average, the solar cycle takes about 11 years to go from one solar maximum to the next, with duration observed varying from 9 to 14 years.

Large solar storms often occur during solar maximum. For example, the Carrington Event, which took place a few months before the solar maximum of solar cycle 10, was the most intense geomagnetic storm in recorded history and widely considered to have been caused by an equally large solar storm.[3]
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